Cognomen Pringprao (Pringprao 
) , in all the world, is a very rare last name. The cognomen Pringprao is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Pringprao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pringprao | Thailand |
Pinyo, Titima, Thitima, Naroungchai, and Nongnuch